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20384516327 = 72912073761
BaseRepresentation
bin10010111111000000…
…110000100011100111
31221121122001201111012
4102333000300203213
5313221414010302
613210422532435
71321101346520
oct227700604347
957548051435
1020384516327
11871058990a
123b4a89711b
131bcb2576a6
14db53b9847
157e48c1a52
hex4bf0308e7

20384516327 has 4 divisors (see below), whose sum is σ = 23296590096. Its totient is φ = 17472442560.

The previous prime is 20384516239. The next prime is 20384516351. The reversal of 20384516327 is 72361548302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20384516327 - 210 = 20384515303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20384516357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1456036874 + ... + 1456036887.

It is an arithmetic number, because the mean of its divisors is an integer number (5824147524).

Almost surely, 220384516327 is an apocalyptic number.

20384516327 is a deficient number, since it is larger than the sum of its proper divisors (2912073769).

20384516327 is an equidigital number, since it uses as much as digits as its factorization.

20384516327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2912073768.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 20384516327 in words is "twenty billion, three hundred eighty-four million, five hundred sixteen thousand, three hundred twenty-seven".

Divisors: 1 7 2912073761 20384516327